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http://dx.doi.org/10.7840/kics.2012.37B.12.1174

A Call Admission Control Scheme to Guarantee a Required Delay in the Wireless Mesh Networks  

Jeong, Dae-In (한국외국어대학교 공과대학 디지털정보공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.37B, no.12, 2012 , pp. 1174-1185 More about this Journal
Abstract
This paper proposes a call admission control scheme for delay guarantee in the wireless mesh networks. The admission of a new call is determined based on the expected delay inferred from the class level available bandwidth at nodes on the path. All nodes under the effects of the new call are considered in designing the call admission control scheme to maintain the delay guarantee of the pre-existing traffic. An effective technique for estimating the available bandwidth of the neighbor nodes is proposed with no addition of message interchanges. The class-level delay control is mainly performed by the queueing discipline while keeping the MAC operation simple. Simulations are performed to show the validity of the proposals. We observe acceptable performances in delay expectation with the addition of new calls. We also show that the proposed call admission control is helpful in guaranteeing the delay performances.
Keywords
wireless mesh networks; call admission control; expected delay; MAC; queueing discipline;
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Times Cited By KSCI : 1  (Citation Analysis)
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